Tube-number record
25X6GT
0 archive entries
25X6GT is a tube type in the TubeDatabase archive (class: High-Vacuum Rectifier-Voltage Doubler). Recorded specifications: brand Arcturus, year 1939, construction Rectifier, socket Octal, and maximum plate voltage 250 V. The archive does not yet hold a photographed example of this type.
BrandArcturus
ClassHigh-Vacuum Rectifier-Voltage Doubler
BaseOctal
Filament25 V @ 150 mA
Construction
Primary TypeRectifier
Rectifier TypeVoltage Doubler
EnvelopeGT
Sections2
Filament / Heater
Heater NotesDesigned for series heater operation
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Voltage Doubler | 125 V | — | — | — | 60 mA |
| Half Wave Rectifier | 125 V | — | — | — | 60 mA |
| Half Wave Rectifier (with 100 ohm resistor) | 250 V | — | — | — | 60 mA |
Application Notes
Type 25X6GT was designed primarily for series heater operation in AC-DC receivers. It may be used in conventional voltage doubler and half wave rectifier circuits.
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